/**
  * Upate discussion
  *
  * @param void
  * @return null
  */
 function edit()
 {
     $this->wireframe->print_button = false;
     if ($this->request->isApiCall() && !$this->request->isSubmitted()) {
         $this->httpError(HTTP_ERR_BAD_REQUEST);
     }
     // ifs
     if ($this->active_discussion->isNew()) {
         $this->httpError(HTTP_ERR_NOT_FOUND);
     }
     // if
     if (!$this->active_discussion->canEdit($this->logged_user)) {
         $this->httpError(HTTP_ERR_FORBIDDEN);
     }
     // if
     //BOF:mod 20110615
     $subscribers = $this->active_discussion->getSubscribers();
     $notify_users = array(array(), null);
     foreach ($subscribers as $subscriber) {
         $notify_users[0][] = $subscriber->getId();
     }
     $this->smarty->assign('notify_users', $notify_users);
     //EOF:mod 20110615
     $discussion_data = $this->request->post('discussion');
     if (!is_array($discussion_data)) {
         $discussion_data = array('name' => $this->active_discussion->getName(), 'body' => $this->active_discussion->getBody(), 'parent_id' => $this->active_discussion->getParentId(), 'milestone_id' => $this->active_discussion->getMilestoneId(), 'visibility' => $this->active_discussion->getVisibility(), 'tags' => $this->active_discussion->getTags());
     }
     // if
     $this->smarty->assign('discussion_data', $discussion_data);
     if ($this->request->isSubmitted()) {
         db_begin_work();
         $old_name = $this->active_discussion->getName();
         $this->active_discussion->setAttributes($discussion_data);
         $save = $this->active_discussion->save();
         if ($save && !is_error($save)) {
             db_commit();
             //BOF: mod
             $this->active_discussion->register_departments(!empty($discussion_data['departments']) ? $discussion_data['departments'] : array());
             //EOF: mod
             //BOF:mod 20110614
             $subscribers = $this->request->post('notify_users');
             if (!in_array($this->active_project->getLeaderId(), $subscribers)) {
                 $subscribers[] = $this->active_project->getLeaderId();
             }
             // if
             Subscriptions::subscribeUsers($subscribers, $this->active_discussion);
             $assignees_flag_data = $this->request->post('assignee');
             $this->active_discussion->register_assignees_flag($assignees_flag_data);
             //EOF:mod 20110614
             if ($this->request->getFormat() == FORMAT_HTML) {
                 flash_success('Discussion ":name" has been updated', array('name' => $old_name));
                 $this->redirectToUrl($this->active_discussion->getViewUrl());
             } else {
                 $this->serveData($this->active_discussion, 'discussion');
             }
             // if
         } else {
             db_rollback();
             if ($this->request->getFormat() == FORMAT_HTML) {
                 $this->smarty->assign('errors', $save);
             } else {
                 $this->serveData($save);
             }
             // if
         }
         // if
     }
     // if
 }